+
+
+Node
+ |
+
+Divergence (node)
+ |
+
+Age estimate (Mya) (95% highest posterior density CI)
+ |
+
+Reciprocal illumination
+ |
+
+
+1 |
+
+Cyprinodontidae
+–
+Fundulidae
+/ Cubanichthyidae–
+Goodeidae
+–
+Profundulidae
+ |
+52.3 (58.62–45.79) |
+59.2–47.8 Mya: Tropic of Cancer retracted to 27°N (Nearctic–Neotropical subdivision, ecological diversification) 55.8–55.0 Mya: Gulf of México drawdown (vicariance) |
+
+
+2 |
+
+Cyprinodontidae
+/
+Fundulidae
+ |
+46.2 (54.77–37.63) |
+48.2 Mya: North American drainage reorganization (dispersal–vicariance cycle) 47.5, 46.9, and 45.6 Mya: Sea-level minima (vicariance) |
+
+
+3 |
+
+Cubanichthyidae/
+Goodeidae
+–
+Profundulidae
+45.9 (54.82–35.79)
+ |
+48.0 Mya: maximum sea level (ice-free world) (dispersal) 47.5, 46.9, and 45.6 Mya: sea-level minima (glaciation) (vicariance) |
+
+
+4 |
+
+Goodeidae
+/
+Profundulidae
+ |
+30.0 (39.19–21.38) |
+
+35.0–25.0 Mya: Chiapas Massif uplift and drainage capture (
+Profundulidae
+vicariance) 33.9 Mya: Madrean River capture (
+Goodeidae
+vicariance) 31.8 Mya: cyprinodontidae southward immigration (ecological replacement)
+ |
+
+
+5 |
+
+
+Profundulus
+/
+Tlaloc
+
+ |
+22.1 (30.66–14.19) |
+35.0–25.0 Mya: uplift and erosion of Chiapas Massif foreland captures Upper Río Grijalva (vicariance) |
+
+
+6 |
+
+Empetrichthyinae/
+Goodeinae
+ |
+17.9 (23.32–12.90) |
+23.0 Mya: North American drainage reorganization, Great Basin tectonism (vicariance) |
+
+
+7 |
+
+Characodontini–Ilyodontini/crown
+Goodeinae
+ |
+13.4 (16.78–10.25) |
+14.0–5.0 Mya: San Marcos Fault reactivation (vicariance) 13.6–10.6 Mya: Los Encinos volcanism (San Luis Potosí) (vicariance) 12.0 Mya: Metates Volcanism (Durango) (vicariance) |
+
+
+8 |
+
+Cyprinodontidae
+/
+
+Floridichthys
+–
+Jordanella pulchra
+
+ |
+31.8 (42.33–21.61) |
+33.9–26.0 Mya: Oligocene icehouse (dispersal–vicariance cycle) |
+
+
+9 |
+
+
+Cyprinodon
+–
+Megupsilon
+–
+Jordanella
+/
+Cualac
+
+ |
+21.9 (29.87–14.61) |
+27.8–16.0 Mya: Late Oligocene–Early Miocene Chicontepec Basin uplift (vicariance) |
+
+
+10 |
+
+
+Jordanella floridae
+/
+Megupsilon
+–
+Cyprinodon
+
+ |
+16.8 (23.27–10.76) |
+17.0–13.8 Mya: Middle Miocene Climatic Optimum (dispersal–vicariance cycle) |
+
+
+11 |
+
+
+Megupsilon
+/
+Cyprinodon
+
+ |
+10.9 (14.91–7.37) |
+11.8 Mya: development of Río San Fernando (vicariance) |
+
+
+12 |
+
+Fundulidae
+/
+
+Leptolucania
+
+ |
+30.4 (39.35–22.47) |
+30.0 Mya: Oligocene oxygen isotope zone 2 (Oi2) sea-level fall (dispersal–vicariance cycle) |
+
+
+13 |
+
+
+Fundulus
+/
+Wileyichthys
+–
+Lucania
+
+ |
+24.8 (31.31–19.12) |
+25.1 Mya: Oligocene oxygen isotope zone 2c (Oi2c) sea-level fall (dispersal–vicariance cycle) |
+
+
+14 |
+
+
+Lucania
+/
+Wileyichthys
+
+ |
+15.29 (30.72–7.47) |
+23.0 Mya: Basin and Range drainages separate from Río Grande (vicariance) |
+
+
+15 |
+
+Crown
+
+Fundulus
+
+main split
+ |
+20.47 (24.24–17.11) |
+20.8 Mya: Miocene oxygen isotope zone 1a (Mi1a) sea-level fall (dispersal–vicariance cycle) |
+
+
+